4-year-old Danyelle is in line with her mom at the grocery store, whining for ca

4-year-old Danyelle is in line
with her mom at the grocery store, whining for candy. Danyelle’s mom yells at
her to be quiet. The more mom yells, the more Danyelle whines. What kind of
consequence is mom’s yelling for Danyelle’s whining?